.picker {
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 10;
    transition-property: transform, opacity, visibility;
    transition-duration: 300ms;
    transform: translate3d(0px, 100%, 0px);
    background-color: white;
    &.active{
        transform: translate3d(0px, 0px, 0px);
    }
}

.picker-header {
    position: relative;
    width: 100%;
    height: 43px;
    background-color: #f9f9f9;
    &::after{
        .onepxborder;
        bottom: 0;
    }
    &:before{
        .onepxborder;
    }
}

.picker-cancel,
.picker-done {
    display: inline-block;
    position: absolute;
    top: 4px;
    height: 32px;
    line-height: 32px;
    padding: 0 5px; 
    font-size: @font-size-lg;
}

.picker-cancel {
    left: 8px;
}

.picker-done {
    right: 8px;
}

.picker-wrapper {
    display: block;
    position: relative;
    height: 215px;
    overflow: hidden;
    background-color: #f5f5f9;
    -webkit-mask-box-image: -webkit-linear-gradient(bottom, transparent, transparent 0%, #f5f5f9 40%, #f5f5f9 60%, transparent 100%, transparent);
}

.picker-slotbox {
    width: 100%;
    height: 100%;
    display: table;
    table-layout: fixed;
}

.picker-slot {
    display: table-cell;
    overflow: hidden;
}

.picker-slot {
    padding-top: 86px;
    padding-bottom: 86px;
    transition-timing-function: cubic-bezier(0, 0, 0.2, 1);
    li {
        height: 44px;
        line-height: 44px;
        white-space: nowrap;
        text-overflow: ellipsis;
        overflow: hidden;
        padding: 0 8px;
        font-size: 16px;
        pointer-events: none;
    }
}

.picker-layer {
    position: absolute;
    top: 0;
    height: 100%;
    width: 100%;
    pointer-events: none;
}

.picker-layer:before,
.picker-layer:after {
    content: '';
    display: block;
    position: absolute;
    background-color: #d1d1d1;
    z-index: 1;
    overflow: hidden;
    -webkit-backface-visibility: hidden;
    width: 100%;
    height: 82px;
}

.picker-layer:before {
    top: 0;
    background: rgba(245, 245, 249, 0.7);
}

.picker-layer:after {
    bottom: 0;
    background: rgba(245, 245, 249, 0.7);
}

.picker-layer-frame{
    position: absolute;
    top: 50%;
    height: 46px;
    width: 100%;
    pointer-events: none;
    transform: translateY(-50%);
    background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0.5, rgba(0, 0, 0, 0)), color-stop(0.5, #d1d1d1)), -webkit-gradient(linear, left top, left bottom, color-stop(0.5, rgba(0, 0, 0, 0)), color-stop(0.5, #d1d1d1));
    background-position: top, bottom;
    background-repeat: repeat-x;
    background-size: 100% 1px;
}